MOF-Based Biomimetic Enzyme Microrobots for Efficient Detection of Total Antioxidant Capacity of Fruits and Vegetables

IF 13 2区 材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Small Pub Date : 2024-12-26 DOI:10.1002/smll.202408231
Ting Chen, Caiyan Lai, He Zhao, Jie Yang, Kai Huang, Xu-Jia Hong, Yuepeng Cai, Renfeng Dong
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引用次数: 0

Abstract

Green and efficient total antioxidant capacity (TAC) detection is significant for healthy diet and disease prevention. This work first proposed the concept of TAC colorimetric detection based on microrobots. A novel metal-organic framework (MOF)-based biomimetic enzyme microrobot (MIL-88A@Fe3O4) is developed that can efficiently and accurately detect the TAC of real fruits and vegetables. Unlike the previous colorimetric detection method to measure TAC which often requires the addition of toxic hydrogen peroxide (H2O2) or light, the microrobots strategy can realize efficient TAC detection without any additional chemicals or stimuli. This is attributed to the oxidase-like activity from MIL-88A, which is discovered and confirmed for the first time by experiments and theoretical calculations. In addition, the microrobots can significantly accelerate the color reaction, resulting in a significant improvement in the detection efficiency of TAC in the motion state owing to their self-stirring effect. More importantly, the results of the MOF-based biomimetic enzyme microrobots strategy for detecting TAC in real fruits and vegetables are comparable to those tested by commonly used quantitative detection kits, in addition to low cost, excellent stability, and anti-interference ability. This attractive MOF-based biomimetic enzyme microrobot holds great prospects for future applications in catalytic sensing and promoting a healthy diet.

基于MOF的仿生酶微机器人用于果蔬总抗氧化能力的高效检测
绿色高效的总抗氧化能力(TAC)检测对健康饮食和疾病预防具有重要意义。本文首次提出了基于微型机器人的TAC比色检测的概念。一种新型的基于金属有机框架(MOF)的仿生酶微机器人(MIL - 88A@Fe3O4)可以高效准确地检测真实水果和蔬菜中的TAC。与以往的比色检测方法不同,通常需要添加有毒的过氧化氢(H2O2)或光来测量TAC,微型机器人策略可以在没有任何额外化学物质或刺激的情况下实现高效的TAC检测。这是由于MIL - 88A具有类似氧化酶的活性,这是首次通过实验和理论计算发现并证实的。此外,由于微机器人的自搅拌作用,可以显著加速颜色反应,从而显著提高TAC在运动状态下的检测效率。更重要的是,基于MOF的仿生酶微机器人检测实际水果和蔬菜中TAC的结果与常用的定量检测试剂盒相当,而且成本低,稳定性好,抗干扰能力强。这种基于MOF的仿生酶微型机器人在催化传感和促进健康饮食方面具有广阔的应用前景。
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来源期刊
Small
Small 工程技术-材料科学:综合
CiteScore
17.70
自引率
3.80%
发文量
1830
审稿时长
2.1 months
期刊介绍: Small serves as an exceptional platform for both experimental and theoretical studies in fundamental and applied interdisciplinary research at the nano- and microscale. The journal offers a compelling mix of peer-reviewed Research Articles, Reviews, Perspectives, and Comments. With a remarkable 2022 Journal Impact Factor of 13.3 (Journal Citation Reports from Clarivate Analytics, 2023), Small remains among the top multidisciplinary journals, covering a wide range of topics at the interface of materials science, chemistry, physics, engineering, medicine, and biology. Small's readership includes biochemists, biologists, biomedical scientists, chemists, engineers, information technologists, materials scientists, physicists, and theoreticians alike.
文献相关原料
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产品信息
麦克林
Fumaric acid
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Iron chloride hexahydrate
麦克林
Fe3O4 nanoparticles
麦克林
3,3′,5,5′-tetramethylbenzidine
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p-benzoquinone
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tert-butanol
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2,2-Diphenyl-1-picrylhydrazyl
麦克林
Fumaric acid
麦克林
Iron chloride hexahydrate
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Fe3O4 nanoparticles
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3,3′,5,5′-tetramethylbenzidine
麦克林
p-benzoquinone
麦克林
tert-butanol
麦克林
2,2-Diphenyl-1-picrylhydrazyl
麦克林
Fumaric acid (C4H4O4)
麦克林
Iron chloride hexahydrate (FeCl3·6H2O)
麦克林
Fe3O4 nanoparticles
麦克林
p-benzoquinone
麦克林
tert-butanol
阿拉丁
Ascorbic acid
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Nitrotetrazolium blue chloride
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5,5-dimethyl-1-pyrroline-N-oxide (DMPO)
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2,2,6,6-Tetramethyl-4-piperidinone hydrochloride (TEMP)
阿拉丁
Ascorbic acid (C6H8O6)
阿拉丁
Nitrotetrazolium blue chloride
阿拉丁
5,5-dimethyl-1-pyrroline-N-oxide (DMPO)
阿拉丁
2,2,6,6-Tetramethyl-4-piperidinone hydrochloride (TEMP)
阿拉丁
Ascorbic acid
阿拉丁
Nitrotetrazolium blue chloride
阿拉丁
5,5-dimethyl-1-pyrroline-N-oxide
阿拉丁
2,2,6,6-Tetramethyl-4-piperidinone hydrochloride
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